A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 5855-01-250-2421
NSN 5950-01-207-0028
NSN 6240-00-539-9770
NSN 5965-01-155-3131
NSN 6135-01-310-9866
NSN 2925-01-148-2023
NSN 5985-01-212-9767
NSN 2925-00-174-4322
NSN 6105-01-632-6455
NSN 5915-01-212-1507
NSN 6240-01-274-4237
NSN 6610-00-437-5681